package com.sky.controller.user;


import com.sky.constant.StatusConstant;
import com.sky.entity.Dish;
import com.sky.entity.DishFlavor;
import com.sky.mapper.DishFlavorMapper;
import com.sky.result.Result;
import com.sky.service.impl.DishFlavorServiceImpl;
import com.sky.service.impl.DishServiceImpl;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.ArrayList;
import java.util.List;

@RestController("userDishController")
@RequestMapping("/user/dish")
@Slf4j
@Api(tags = "C端-菜品浏览接口")
public class DishController {
    @Autowired
    private DishServiceImpl dishService;

    @Autowired
    private DishFlavorServiceImpl dishFlavorService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId) {

        //构造redis中的key，规则：dish_分类id
        String key = "dish_" + categoryId;

        //查询redis中是否存在菜品数据
        List<DishVO> list
                = (List<DishVO>) redisTemplate.opsForValue().get(key);
        if(list != null && list.size() > 0){
            //如果存在，直接返回，无须查询数据库
            return Result.success(list);
        }

        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);//查询起售中的菜品

        //如果不存在，查询数据库，将查询到的数据放入redis中
        list = dishService.listWithFlavor(dish);
        redisTemplate.opsForValue().set(key, list);
        return Result.success(list);
//        //构造redis中的key，规则：dish_分类id
//        String key = "dish_" + categoryId;
//
//        //查询redis中是否存在菜品数据
//        List<DishVO> listVo = (List<DishVO>) redisTemplate.opsForValue().get(key);
//        if(listVo != null && listVo.size() > 0){
//            //如果存在，直接返回，无须查询数据库
//            return Result.success(listVo);
//        }
//        //根据类型id查询菜品
//        List<Dish> list = dishService.list(categoryId);
////        创建集合存DishVo对象
//        List<DishVO> dishVOS = new ArrayList<>();
////        对查询到的菜品进行遍历
//        for (Dish dish : list) {
        ////        创建Dishvo对象  此事属性是空
//        DishVO dishVO = new DishVO();
////            得到菜品的id
//            Long dishId = dish.getId();
////            根据菜品的id查询口味
//            List<DishFlavor> dishFlavors = dishFlavorService.selectFlavorByDishId(dishId);
////            将
//            BeanUtils.copyProperties(dish, dishVO);
//            dishVO.setFlavors(dishFlavors);
//            dishVOS.add(dishVO);
//        }
//        redisTemplate.opsForValue().set(key, dishVOS);


//        return Result.success(dishVOS);
    }
}
